Step 1

Pre-heat oven to 425 degrees F.

Step 2

Unroll dough with oven-safe parchment paper onto an ungreased large cookie sheet (the dough bakes on the paper).

Step 3

Brush with olive oil and bake 7 minutes.

Step 4

Remove from oven.

Step 5

Melt butter in a large non-stick skillet over medium-high heat.

Step 6

Once melted, add onions and salt.

Step 7

Cook 5 minutes, stirring occasionally, until onion has started to soften.

Step 8

Add mushrooms and cook 7 minutes or until mushrooms and onions are golden brown and soft.

Step 9

Stir in garlic and remove from heat.

Step 10

Taste and re-season, if necessary.

Step 11

Spread mushroom mixture evenly over dough.

Step 12

Evenly sprinkle with spinach, mozzarella cheese and parmesan cheese.

Step 13

Bake for an additional 7 to 12 minutes or until cheese is melted and crust is golden brown.

Step 14

Garnish with thyme and red pepper flakes.